// /*
//  * Blink
//  * Turns on an LED on for one second,
//  * then off for one second, repeatedly.
//  */

// #include <Arduino.h>

// // Set LED_BUILTIN if it is not defined by Arduino framework
// // #define LED_BUILTIN 2

// void setup()
// {
//   // initialize LED digital pin as an output.
//   pinMode(LED_BUILTIN, OUTPUT);
// }

// void loop()
// {
//   // turn the LED on (HIGH is the voltage level)
//   digitalWrite(LED_BUILTIN, HIGH);
//   // wait for a second
//   delay(1000);
//   // turn the LED off by making the voltage LOW
//   digitalWrite(LED_BUILTIN, LOW);
//    // wait for a second
//   delay(1000);
// }